72167456136207 has 16 divisors (see below), whose sum is σ = 96365254943232. Its totient is φ = 48040678331520.

The previous prime is 72167456136169. The next prime is 72167456136233. The reversal of 72167456136207 is 70263165476127.

It is not a de Polignac number, because 72167456136207 - 2⁷ = 72167456136079 is a prime.

It is a super-2 number, since 2×72167456136207² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72167456136707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5463978 + ... + 13198104.

It is an arithmetic number, because the mean of its divisors is an integer number (6022828433952).

Almost surely, 2^{72167456136207} is an apocalyptic number.

72167456136207 is a deficient number, since it is larger than the sum of its proper divisors (24197798807025).

72167456136207 is a wasteful number, since it uses less digits than its factorization.

72167456136207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738718.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 72167456136207 in words is "seventy-two trillion, one hundred sixty-seven billion, four hundred fifty-six million, one hundred thirty-six thousand, two hundred seven".